My Terraria burnout that I got from Calamity. It lasted for months and I still don't want to play the mod again...
Terraria Community Forums
Esther
Ivyss
The one that I'm currently having for this life in this world.
Techhunter_Talon
Hard to say because I have a lot of games that I haven't played in a long while. For some, it's straight up because I'm burnt out on them. For others, loss of interest as my attention is directed towards other games.
Champion Greninjoid
Mario Odyssey, it’s been nearly a year and it’s still going.
Schparks
My one in life. It's been going string for about... 6 months now. 
Cherrizy
my pixel art burnout
its been a year and i still cant muster up any motivation to start spriting again
its been a year and i still cant muster up any motivation to start spriting again